Great River Harbor is a natural harbor located about a mile off the main Mississippi River channel at marker 747.9. The Harbor offers a full service marina with a deep water boat ramp, accommodation for boats up to fifty foot in length, fuel and pump out. Enjoy a store with boating supplies, fishing tackle and bait, snacks, beverages and ice. The marina has a certified mechanic. They also do aluminum, stainless and brass prop repair, skeg repair, gear cases, boat transoms and other welding. Or maybe you’re in the market for something new? The marina is also a Honda Marine and Weeres dealership where you can find quality new and used motors and pontoons. Or maybe you want to rent a boat? You can rent pontoons and fishing boats, or check out Fun ‘N The Sun houseboat rentals located at the Great River Harbor & Marina.